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问题
单项选择题
a是拟完美序列,则Ca(s)=()。
A、-1.0
B、0.0
C、1.0
D、2.0
答案
参考答案:
A
补全对话,情景问答
请从右栏中选出左栏的正确答语,把答案的序号填在括号里。
( ) 1. What can you do, Dog?
( ) 2. What can you do, Cat?
( ) 3. What can you do, Amy?
( ) 4. What can you do, Chicken?
( ) 5. What can you do, Panda?
A. I can eat bamboo.
B. I can run after you.
C. I can make eggs.
D. I can do the housework.
E. I can catch a mouse.
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问答题 简答题
汉普逊液面计易发生哪些故障,使用中应注意哪些问题?
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